Above – Dunphy Burners range (450-2000kw)set to 1,300kw per x4 for Atlantic Guilliot boilers Total – 5,200kw Hoval 1700Ds x2 (4x 850s) Total 3,400kw Above – Remeha 350kw boilers x6. Riello burners 4 out of 6 are half oil/ half gas RLS 68/m mx (oil two stage – gas modulating)(range 200-860kw). Last two gas only RS44 set to 350kw (range200-550kw) Total 2,100kw